Pith Number

pith:QV233RIY

pith:2014:QV233RIYB32TI3LEIOJU6SY7OH

not attested not anchored not stored refs pending

The Shape of the Search Tree for the Maximum Clique Problem, and the Implications for Parallel Branch and Bound

Ciaran McCreesh, Patrick Prosser

arxiv:1401.5921 v3 · 2014-01-23 · cs.DC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QV233RIYB32TI3LEIOJU6SY7OH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:43:36.523066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8575bdc5180ef5346d6443934f4b1f71d44ad449e5faf7600c87c5a6cfbc6330

Aliases

arxiv: 1401.5921 · arxiv_version: 1401.5921v3 · doi: 10.48550/arxiv.1401.5921 · pith_short_12: QV233RIYB32T · pith_short_16: QV233RIYB32TI3LE · pith_short_8: QV233RIY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QV233RIYB32TI3LEIOJU6SY7OH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8575bdc5180ef5346d6443934f4b1f71d44ad449e5faf7600c87c5a6cfbc6330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3ad7d6c77eed34ad76e402adaa1bef63d5d29197b52d17dde1a0493a36d2320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-01-23T10:01:35Z",
    "title_canon_sha256": "7513ff2263c8f831c56b42d5cb41979e8a4461fdd4aa2acdd757ba42e6b95332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5921",
    "kind": "arxiv",
    "version": 3
  }
}